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Related to petaflops: teraflop, TFLOPS


 (pĕt′ə-flŏps′) or pet·a·flop (-flŏp′)
n. pl. petaflops
A measure of computing speed equal to one quadrillion floating-point operations per second.

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For the first time, more than 100 accelerated systems are on the list of the world s 500 most powerful supercomputers, accounting for 143 petaflops, over one-third of the list s total FLOPS.
Currently the fastest systems in the world perform between ten and 33 petaflops, or ten to 33 million billion calculations per second -- roughly one to three percent the speed of exascale.
536 petaflops making it, said the Top 500, "the highest-ranked Middle East system in the 22-year history of the list and the first to crack the Top 10".
2 petaflops and will serve as the primary high performance computing resource in the UT Research Cyberinfrastructure (UTRC) initiative, the company said.
Teraflops or TFlops are 1012 Flops, petaflops or PFlops are 1015 (1000 trillion) Flops and exaflops or EFlops are 1018 (one quintillion or one million TFLOPS) Flops.
86 petaflops per second, 33,860 quadrillion calculations.
The Aurora system will be delivered in 2018 and have a peak performance of 180 petaflops, making it the world's most powerful system currently announced to date.
Of the 500 systems on the list, 37 offer performances above the 1 petaflops range, nearly all of them use multicore processors, and 85percent of them are running Intel processors.
Designed and operated by Bull, the Helios supercomputer installed in Rokkasho, Japan, is boosted by an additional 380 Intel Xeon Phi coprocessors to increase its power to almost 2 Petaflops.
Computer scientists do not all agree with the metrics used to calculate the Top500 list however, and there have been criticisms that a single petaflops figure does not always directly translate into a measure of how useful the supercomputer actually is.
By 2016, the systems will be further upgraded for a computing capability of more than 5 PetaFlops.
16 petaflops, this recently ascended to the summit of the Top500 list as the world's most powerful supercomputer.